Starting work on moving GUI to event system (doesnt compile)

src/GUIStuff/Elements/GUIStuffHelpers.hpp

@@ -0,0 +1,105 @@
+#pragma once
+#include "Helpers/ConvertVec.hpp"
+#include <include/core/SkCanvas.h>
+#include "../../TimePoint.hpp"
+#include <Eigen/Dense>
+#include <include/core/SkFont.h>
+#include <include/core/SkFontMgr.h>
+#include <include/core/SkTypeface.h>
+#include "../../FontData.hpp"
+#include <modules/skparagraph/include/FontCollection.h>
+#include <modules/svg/include/SkSVGDOM.h>
+#include <Helpers/SCollision.hpp>
+#include <Helpers/Serializers.hpp>
+#include <nlohmann/json.hpp>
+#include "../../RichText/TextBox.hpp"
+#include "../../InputManager.hpp"
+
+using namespace Eigen;
+
+namespace GUIStuff {
+
+// Taken from https://github.com/TimothyHoytBSME/ClayMan (rewritten to be a separate struct, and use templates to change size)
+template <size_t S> class StringArena {
+    public:
+        void reset() {
+            stringArenaIndex = 0;
+        }
+        const char* insert_string_into_arena(std::string_view str) {
+            size_t strSize = str.size();
+            if(stringArenaIndex + strSize > S)
+                throw std::overflow_error("[StringArena::insert_string_into_arena] Not enough space to insert string");
+            char* startPtr = &stringArena[stringArenaIndex];
+            std::copy(str.begin(), str.end(), startPtr);
+            stringArenaIndex += strSize;
+            return startPtr;
+        }
+        Clay_String std_str_to_clay_str(std::string_view str) {
+            return Clay_String{.length = static_cast<int32_t>(str.size()), .chars = insert_string_into_arena(str)};
+        }
+    private:
+        std::array<char, S> stringArena;
+        size_t stringArenaIndex;
+};
+
+typedef StringArena<4000000> DefaultStringArena;
+
+SkFont get_setup_skfont();
+
+struct Theme {
+    SkColor4f fillColor1 = {0.8f, 0.785f, 1.0f, 1.0f};
+    SkColor4f fillColor2 = {0.3f, 0.3f, 0.477f, 1.0f};
+    SkColor4f backColor1 = {0.0f, 0.0f, 0.0f, 1.0f};
+    SkColor4f backColor2 = {1.0f, 1.0f, 1.0f, 1.0f};
+    SkColor4f frontColor1 = {1.0f, 1.0f, 1.0f, 1.0f};
+    SkColor4f frontColor2 = {0.9f, 0.9f, 0.9f, 1.0f};
+
+    SkColor4f errorColor = {1.0f, 0.0f, 0.0f, 1.0f};
+    SkColor4f warningColor = {1.0f, 1.0f, 0.0f, 1.0f};
+
+    float hoverExpandTime = 0.1f;
+    uint16_t childGap1 = 10;
+    uint16_t padding1 = 8;
+    float windowCorners1 = 8;
+
+    NLOHMANN_DEFINE_TYPE_INTRUSIVE_WITH_DEFAULT(Theme, fillColor1, fillColor2, backColor1, backColor2, frontColor1, frontColor2, errorColor, warningColor, hoverExpandTime, childGap1, padding1, windowCorners1)
+};
+
+std::shared_ptr<Theme> get_default_dark_mode();
+
+struct UpdateInputData {
+    InputManager* input;
+    std::function<void()> layoutRun;
+
+    SkFont get_font(float fSize) const;
+
+    uint16_t fontSize = 16;
+
+    float deltaTime = 0.0f;
+
+    float guiScaleMultiplier = 1.0f;
+    Vector2f windowPos = {0.0f, 0.0f};
+    Vector2f windowSize = {0.0f, 0.0f};
+
+    std::shared_ptr<FontData> fonts;
+    sk_sp<SkTypeface> textTypeface;
+
+    DefaultStringArena* strArena;
+    std::shared_ptr<Theme> theme;
+    std::unordered_map<std::string, sk_sp<SkSVGDOM>> svgData;
+};
+
+class SelectionHelper {
+    public:
+        void update(bool isHovering, bool isLeftClick, bool isLeftHeld, const Vector2f& cursorPos);
+        bool held = false;
+        bool hovered = false;
+        bool selected = false;
+        bool clicked = false;
+        bool justUnselected = false;
+        bool tapped = false;
+        Vector2f clickPos;
+        std::chrono::steady_clock::time_point timeClicked;
+};
+
+}